Returns JH's book. Describes alloy of gold and silver. Copper-iridium alloy would work, but it would influence assays adversely. Procedure for separating gold and iridium.
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The Sir John Herschel Collection
The preparation of the print Calendar of the Correspondence of Sir John Herschel (Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds, Cambridge, England: Cambridge Univ. Press, 1998, viii + 828 pp) which was funded by the National Science Foundation, took ten years. It was accomplished by a team of seventeen professors, visiting scholars, graduate students, advanced undergraduates, and staff working at the University of Notre Dame.
The first online version of Calendar was created in 2009 by Dr Marvin Bolt and Steven Lucy, working at the Webster Institute of the Adler Planetarium, and it is that data that has now been reformatted for incorporation into Ɛpsilon.
Further information about Herschel, his correspondence, and the editorial method is available online here: http://historydb.adlerplanetarium.org/herschel/?p=intro
No texts of Herschel’s letters are currently available through Ɛpsilon.
Returns JH's book. Describes alloy of gold and silver. Copper-iridium alloy would work, but it would influence assays adversely. Procedure for separating gold and iridium.
Withdraws RM's request for leave. Complains of noxious fumes in Melting room and from nearby refinery. Objects to frequent changes in RM's assistants; none remain long enough to learn Melting room procedures. Recent loss of Mr. Aberdein.
Send names of persons who will provide bonds for RM's new office. JH will forward these to Treasury. Explains purpose of bond.
Needs names of banks that can verify credit of persons who will provide RM's bond. Clause that names master of Mint as sole judge is normal practice.
Procedures for separating gold from silver and iridium by subsidence. Encloses volume of experiments by Charles Hatchett.
Frequent change in RM's chief assistants is unfortunate, but junior officers must rotate in order to learn duties in every branch of Mint.
Deliver bars produced today to Mr. Hill, who will commence work immediately in anticipation of assay.
Notes striking increase recently in gold wasted in melting process. Calls for inquiry and report of cause by RM.
Deliver gold, silver, and copper scrap and unusable equipment to W. H. Barton to be sold. [JH annotation: Similar notices sent to W. T. Brande and to H. W. Field.]